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			27 lines
		
	
	
		
			971 B
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			27 lines
		
	
	
		
			971 B
		
	
	
	
		
			Python
		
	
	
	
	
	
| from django.core.management.base import BaseCommand, CommandError
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| 
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| 
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| class Command(BaseCommand):
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|     help = "Useless command."
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| 
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|     def add_arguments(self, parser):
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|         parser.add_argument('args', metavar='app_label', nargs='*', help='Specify the app label(s) to works on.')
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|         parser.add_argument('--empty', action='store_true', help="Do nothing.")
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| 
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|     def handle(self, *app_labels, **options):
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|         app_labels = set(app_labels)
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| 
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|         if options['empty']:
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|             self.stdout.write("Dave, I can't do that.")
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|             return
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| 
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|         if not app_labels:
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|             raise CommandError("I'm sorry Dave, I'm afraid I can't do that.")
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| 
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|         # raise an error if some --parameter is flowing from options to args
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|         for app_label in app_labels:
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|             if app_label.startswith('--'):
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|                 raise CommandError("Sorry, Dave, I can't let you do that.")
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| 
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|         self.stdout.write("Dave, my mind is going. I can feel it. I can feel it.")
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